@article{barbosa_melo_cunha_albuquerque_costa_silva_2021,  title={Brazilian’s frequency of anxiety, depression and stress symptoms in the COVID-19 pandemic},  volume={21},  ISSN={1519-3829},  url={https://doi.org/10.1590/1806-9304202100S200005},  DOI={10.1590/1806-9304202100S200005},  journal={Revista Brasileira de Saúde Materno Infantil},  publisher={Instituto de Medicina Integral Prof. Fernando Figueira},  author={Barbosa, Leopoldo Nelson Fernandes and Melo, Monica Cristina Batista de and Cunha, Maria do Carmo Vieira da and Albuquerque, Eliane Nóbrega and Costa, Juliana Monteiro and Silva, Eduardo Falcão Felisberto da},  year={2021},  pages={413–419} }